6489f36915
Previously the socket funtions did not write the sockaddr_in struct fully and instead always returned the "internal" length, which did not account for the zeroed padding.
64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
#include "soc_common.h"
|
|
#include <errno.h>
|
|
#include <sys/socket.h>
|
|
#include <3ds/ipc.h>
|
|
|
|
int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen)
|
|
{
|
|
int ret = 0;
|
|
u32 *cmdbuf = getThreadCommandBuffer();
|
|
u32 saved_threadstorage[2];
|
|
u8 tmpaddr[ADDR_STORAGE_LEN];
|
|
|
|
sockfd = soc_get_fd(sockfd);
|
|
if(sockfd < 0) {
|
|
errno = -sockfd;
|
|
return -1;
|
|
}
|
|
|
|
memset(tmpaddr, 0, ADDR_STORAGE_LEN);
|
|
|
|
cmdbuf[0] = IPC_MakeHeader(0x18,2,2); // 0x180082
|
|
cmdbuf[1] = (u32)sockfd;
|
|
cmdbuf[2] = ADDR_STORAGE_LEN;
|
|
cmdbuf[3] = IPC_Desc_CurProcessId();
|
|
|
|
u32 * staticbufs = getThreadStaticBuffers();
|
|
saved_threadstorage[0] = staticbufs[0];
|
|
saved_threadstorage[1] = staticbufs[1];
|
|
|
|
staticbufs[0] = IPC_Desc_StaticBuffer(ADDR_STORAGE_LEN,0);
|
|
staticbufs[1] = (u32)tmpaddr;
|
|
|
|
ret = svcSendSyncRequest(SOCU_handle);
|
|
|
|
staticbufs[0] = saved_threadstorage[0];
|
|
staticbufs[1] = saved_threadstorage[1];
|
|
|
|
if(ret != 0) {
|
|
errno = SYNC_ERROR;
|
|
return ret;
|
|
}
|
|
|
|
ret = (int)cmdbuf[1];
|
|
if(ret == 0)
|
|
ret = _net_convert_error(cmdbuf[2]);
|
|
|
|
if(ret < 0) {
|
|
errno = -ret;
|
|
return -1;
|
|
}
|
|
|
|
addr->sa_family = tmpaddr[1];
|
|
|
|
socklen_t user_addrlen = tmpaddr[0];
|
|
if(addr->sa_family == AF_INET)
|
|
user_addrlen += 8;
|
|
|
|
if(*addrlen > user_addrlen)
|
|
*addrlen = user_addrlen;
|
|
memcpy(addr->sa_data, &tmpaddr[2], *addrlen - sizeof(addr->sa_family));
|
|
|
|
return ret;
|
|
}
|